blame: add --line-porcelain output format
This is just like --porcelain, except that we always output
the commit information for each line, not just the first
time it is referenced. This can make quick and dirty scripts
much easier to write; see the example added to the blame
documentation.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t8008-blame-formats.sh b/t/t8008-blame-formats.sh
index 387d1a6..d15f8b3 100755
--- a/t/t8008-blame-formats.sh
+++ b/t/t8008-blame-formats.sh
@@ -68,4 +68,23 @@
test_cmp expect actual
'
+cat >expect <<EOF
+$ID1 1 1 1
+$COMMIT1
+ a
+$ID2 2 2 3
+$COMMIT2
+ b
+$ID2 3 3
+$COMMIT2
+ c
+$ID2 4 4
+$COMMIT2
+ d
+EOF
+test_expect_success 'blame --line-porcelain output' '
+ git blame --line-porcelain file >actual &&
+ test_cmp expect actual
+'
+
test_done
